Home / 314,731.82-434,330.01-171,491.83

Finding the Fourth Proportional to 314,731.82, 434,330.01 and 171,491.83

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Solution

The fourth proportional to 314,731.82, 434,330.01 and 171,491.83 is: 236,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,731.82 : 434,330.01 = 171,491.83 : x
  2. Step 2: Convert to fraction form
    314,731.82/434,330.01 = 171,491.83/x
  3. Step 3: Cross multiply
    314,731.82x = 434,330.01 × 171,491.83
  4. Step 4: Simplify right side
    314,731.82x = 74,484,047,152.99
  5. Step 5: Solve for x
    x = 74,484,047,152.99/314,731.82
  6. Step 6: Final answer
    x = 236,658.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.